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Did you know?

The first-known contraceptive was crocodile dung, used in Egypt in 2000 BC. Condoms were also reportedly used, made of animal bladders or intestines.

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Asthma cases in Americans are about 75% higher today than they were in 1980.

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The first oncogene was discovered in 1970 and was termed SRC (pronounced "SARK").

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More than 2,500 barbiturates have been synthesized. At the height of their popularity, about 50 were marketed for human use.

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The largest baby ever born weighed more than 23 pounds but died just 11 hours after his birth in 1879. The largest surviving baby was born in October 2009 in Sumatra, Indonesia, and weighed an astounding 19.2 pounds at birth.

Variations in the structure of viruses. Variations in the structure of viruses.
Young boy with characteristic nasal crease from the repeated action of the “nasal salute” caused ... Young boy with characteristic nasal crease from the repeated action of the “nasal salute” caused ...
Spinal changes caused by osteoporosis. Spinal changes caused by osteoporosis.
Spinal changes caused by osteoporosis. Spinal changes caused by osteoporosis.
Inflammation of the oropharynx and petechiae (small red spots) on the soft palate caused by strep ... Inflammation of the oropharynx and petechiae (small red spots) on the soft palate caused by strep ...
Chronic disease is caused by a mixture of genetic and environmental influences Chronic disease is caused by a mixture of genetic and environmental influences
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